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Posted: **Wed Apr 05, 2006 5:20 pm**

http://www.harvel.com has pressure ratings for different pipes

Posted: **Wed Apr 05, 2006 5:55 pm**

nicholai wrote: research research research.... the ratings you posted are actually lower than sch 40 pipe

the smaller pipe has a higher pressure rating because the sidewalls are thicker in comparison to the inside diameter or the volume of the pipe

I did research! Research just blows though because it ends up giving you sites like this http://www.engineeringtoolbox.com/pvc-c ... d_796.html

Posted: **Wed Apr 05, 2006 7:05 pm**

i have sch 80 3/4 inch cpvc thats rated to 800 psi
That site is totaly wrong dude the sch 40 1/2 inch pvc is rated to 600 psi working pressure and 2 inch sch 40 is rated to

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